Last updated: 2025-08-11
7 Backend Engineer jobs in Sofia.
Insurify
Insurify is one of the America’s fastest-growing MIT FinTech startups and has been recognized as one of Inc. 5,000’s fastest-growing private companies in Ameri…
Sofia
- Skills: Python, Django, Node.js, SQL, NoSQL, MySQL, Redis, DynamoDB, Redshift, Apache Airflow
- Level: mid
- Type: full_time
Kaizen Gaming
Kaizen Gaming, the team powering Betano, is one of the biggest GameTech companies in the world, operating in 17 markets. We always aim to leverage cutting-edge…
Sofia
- Skills: Backend Engineer, Scalable systems, High-performance code, Mentorship, System integration, Distributed systems, Microservice architectures, DevOps practices, Performance optimization, Technical roadmap
- Level: mid
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Golang, Ruby, API, Postgres, Redis, Kafka, S3, ClickHouse, Docker, Linux
- Level: senior
- Type: full_time
Hyperscience
Hyperscience is a market leader in hyperautomation and a provider of enterprise AI infrastructure software. The Hyperscience Hypercell platform unlocks the val…
Sofia
- Skills: hyperautomation, enterprise AI, Python, Django, TypeScript, React, distributed computing, workflow engines, system integrations, generative AI
- Level: mid
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Ruby on Rails, API interfaces, backend infrastructure, DevOps, code efficiency, system improvement, Redis, Postgres, object-oriented programming, open source
- Level: mid
- Type: full_time
Orfium
We are a global technology leader transforming the music and entertainment industry through advanced rights management and data solutions.
Sofia
- Skills: C#, .NET, microservices, RESTful API, postgreSQL, AWS, Docker, Kubernetes, event-driven systems, GitHub Actions
- Level: mid
- Type: full_time
Danfoss
Danfoss engineers solutions that increase machine productivity, reduce emissions, lower energy consumption, and enable electrification. Our solutions are used …
Sofia
- Skills: data infrastructure, cloud technologies, SQL, NoSQL, Apache Kafka, Apache Spark, data pipeline, data security, compliance, Agile/Scrum
- Level: mid
- Type: full_time
LucidLink
LucidLink is a fast-growing startup on a mission to make data instantly and securely accessible from everywhere. As remote and hybrid work has become the new n…
Sofia
- Skills: Backend Development, TypeScript, JavaScript, API Integration, SaaS Architecture, Node.js, Database Design, Cloud Services, Docker, Kubernetes
- Level: mid
- Type: full_time
Runa
Runa is pioneering a first-of-its-kind payment rail capable of issuing, sending and accepting digital value at scale.
Sofia
- Skills: Python, TypeScript, Kubernetes, AWS, DynamoDB, API, microservice architecture, software engineering, cloud technology, mentoring
- Level: senior
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: MLOps, LLMOps, Python, APIs, microservices, containerization, model monitoring, AI services, machine learning, prompt engineering
- Level: senior
- Type: full_time
MSCI
MSCI is a leading provider of critical decision support tools and services for the global investment community. With over 50 years of expertise in research, da…
Sofia
- Skills: .NET, C#, APIs, Angular, SQL, cloud, Git, OOP, REST, software development
- Level: mid
- Type: full_time
Experian
Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, unc…
Sofia
- Skills: data analysis, software development, Python, AWS, API Gateway, Lambdas, DynamoDB, Agile, documentation, data solutions
- Level: mid
- Type: full_time
MSCI
MSCI is a leading provider of critical decision support tools and services for the global investment community. With over 50 years of expertise in research, da…
Sofia
- Skills: .NET, C#, RESTful APIs, Angular, SQL, Cloud platforms, OOP, ASP.NET, Entity Framework, Git
- Level: mid
- Type: full_time
FLYR
FLYR is a technology company that unlocks freedom to innovate for the travel industry – eliminating legacy constraints to enable real-time decision making and …
Sofia
- Skills: Golang, Postgres, Redis, RESTful APIs, CI/CD, secure coding, software security, logging, monitoring, alerting
- Level: mid
- Type: full_time
Speechify
The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn wh…
Sofia
- Skills: Backend Development, Python, GCP, AWS, Azure, Docker, Kubernetes, NLP, TTS, Voice Cloning
- Level: senior
- Type: full_time
Workato
Workato transforms technology complexity into business opportunity. As the leader in enterprise orchestration, Workato helps businesses globally streamline ope…
Sofia
- Skills: Rust, asynchronous applications, DevOps, network protocols, databases, Pub/Sub architectures, Golang, Ruby, WASM, open source
- Level: senior
- Type: full_time
Experian
Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, unc…
Sofia
- Skills: C#, .NET Core, Cloud infrastructure, Microservices, REST APIs, Azure, AWS, CI/CD, Jenkins, RabbitMQ
- Level: mid
- Type: full_time